"Matt" wrote in message
...
"dennis@home" wrote:


"Doctor Drivel" wrote in message
reenews.net...

"dennis@home" wrote in message
. uk...

"Doctor Drivel" wrote in message
...

Greater than 84% efficient and 24 years old? Make and model please?
More
like 55% if that.

Thorn Apollo IIRC.
It is a nice low water content job.

Copper tube boiler of about 70-75% efficent when new.

82% according to the manual.

You forgot

snip drivel from a lunatic